Methane as a greenhouse gas and food web fuel in some boreal lakes
Methane as a greenhouse gas and food web fuel in some boreal lakes
Methane as a greenhouse gas and food web fuel in some boreal lakes
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CH 4 effluxes from vegetated littoral st<strong>and</strong>s, mol<br />
CH 4 m -2 (ice-free period) -1<br />
<strong>and</strong> P. australis<br />
Species<br />
Equisetum<br />
fluviatile<br />
Equisetum<br />
fluviatile<br />
Lake/exp<br />
Sediment<br />
type<br />
LOI<br />
Max<br />
biom<strong>as</strong>s Total efflux Reference<br />
g DW m -2 mol CH 4<br />
m -2<br />
exp.<br />
mesocosm s<strong>and</strong> 1 ± 0.2 290 ± 70 0.16 Kankaala & Bergström, 2004<br />
exp.<br />
mesocosm silty gyttja 8 ± 0.3 1190 ± 120 2.29 Kankaala & Bergström, 2004<br />
Equisetum<br />
fluviatile Pääjärvi s<strong>and</strong>y gyttja 8 700 ± 300 2.72 Hyvönen et al. 1998<br />
E. fluv. & P.<br />
australis Ekojärvi silty gyttja 12 ± 4 80 ± 40 0.78 Kankaala et al. 2005<br />
Schoenoplectus<br />
lacustris<br />
Al<strong>in</strong>en<br />
Rautjärvi<br />
gyttja s<strong>and</strong> <strong>and</strong><br />
Phragmites<br />
australis<br />
P. australis <strong>in</strong>ner<br />
zone<br />
P. australis, outer<br />
zone<br />
Vesijärvi<br />
Scirpus peat 40 ± 35 140 ± 60 0.18 Kankaala et al. 2005<br />
Al<strong>in</strong>en<br />
Rautjärvi gyttja s<strong>and</strong> 2 ± 1 70 ± 10 0.22 Kankaala et al. 2005<br />
Phragmites<br />
Vesijärvi peat 85 ± 3 800 ± 100 3.62 Kankaala et al., 2004<br />
Phragmites<br />
peat, 55 ± 5 480 ± 440 7.67 Kankaala et al., 2004<br />
detritus from Lemna trisulca
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